220110110210220 has 384 divisors, whose sum is σ = 647709662380032. Its totient is φ = 55791132825600.

The previous prime is 220110110210197. The next prime is 220110110210231. The reversal of 220110110210220 is 22012011011022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 220110110210220.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 49098840099 + ... + 49098844581.

It is an arithmetic number, because the mean of its divisors is an integer number (1686743912448).

Almost surely, 2^{220110110210220} is an apocalyptic number.

220110110210220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220110110210220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323854831190016).

220110110210220 is an abundant number, since it is smaller than the sum of its proper divisors (427599552169812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220110110210220 is a wasteful number, since it uses less digits than its factorization.

220110110210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6421 (or 6419 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220110110210220 its reverse (22012011011022), we get a palindrome (242122121221242).

The spelling of 220110110210220 in words is "two hundred twenty trillion, one hundred ten billion, one hundred ten million, two hundred ten thousand, two hundred twenty".